Eulychnia

About

Eulychnia is a genus of candelabriform or arborescent cacti. It includes nine species native to Peru and northern Chile. These desert cacti can survive under very hot conditions—temperatures can reach up to 50 degrees Celsius. Furthermore, this genus of cacti can also survive in some of the driest places in the world such as the Atacama Desert, the driest desert in the world.

Summary from Wikipedia